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Add Camera.blit, and use it when there's a window, but the used fbo is not the window's

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This commit is contained in:
Grant Sanderson 2023-01-30 20:38:13 -08:00
parent 33116f8af1
commit 9017df847d
1 changed files with 22 additions and 7 deletions
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29
manimlib/camera/camera.py
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@ -125,16 +125,29 @@ class Camera(object):
def clear(self) -> None:
self.fbo.clear(*self.background_rgba)
def get_raw_fbo_data(self, dtype: str = 'f1') -> bytes:
# Copy blocks from fbo into draw_fbo using Blit
gl.glBindFramebuffer(gl.GL_READ_FRAMEBUFFER, self.fbo.glo)
gl.glBindFramebuffer(gl.GL_DRAW_FRAMEBUFFER, self.draw_fbo.glo)
src_viewport = self.fbo.viewport
def blit(self, src_fbo, dst_fbo):
"""
Copy blocks between fbo's using Blit
"""
gl.glBindFramebuffer(gl.GL_READ_FRAMEBUFFER, src_fbo.glo)
gl.glBindFramebuffer(gl.GL_DRAW_FRAMEBUFFER, dst_fbo.glo)
gl.glBlitFramebuffer(
*src_viewport,
*self.draw_fbo.viewport,
*src_fbo.viewport,
*src_fbo.viewport,
gl.GL_COLOR_BUFFER_BIT, gl.GL_LINEAR
)
def get_raw_fbo_data(self, dtype: str = 'f1') -> bytes:
# # Copy blocks from fbo into draw_fbo using Blit
# gl.glBindFramebuffer(gl.GL_READ_FRAMEBUFFER, self.fbo.glo)
# gl.glBindFramebuffer(gl.GL_DRAW_FRAMEBUFFER, self.draw_fbo.glo)
# src_viewport = self.fbo.viewport
# gl.glBlitFramebuffer(
# *src_viewport,
# *self.draw_fbo.viewport,
# gl.GL_COLOR_BUFFER_BIT, gl.GL_LINEAR
# )
self.blit(self.fbo, self.draw_fbo)
return self.draw_fbo.read(
viewport=self.draw_fbo.viewport,
components=self.n_channels,
@ -223,6 +236,8 @@ class Camera(object):
self.fbo.use()
for mobject in mobjects:
mobject.render(self.ctx, self.uniforms)
if self.window is not None and self.fbo is not self.window_fbo:
self.blit(self.fbo, self.window_fbo)
def refresh_uniforms(self) -> None:
frame = self.frame